body {
    background: #f0f2f5;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    width: 400px;
    min-height: 350px;
    margin: 60px auto;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    text-align: center;
    padding: 32px 24px 24px 24px;
}

.grey {
    color: #888;
    margin-bottom: 18px;
}

.container h1 {
    color: #1890ff;
    margin-bottom: 10px;
}

.row {
    width: 100%;
    height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.row span {
    width: 60px;
    text-align: right;
    margin-right: 10px;
    color: #333;
}

.row input {
    flex: 1;
    height: 30px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    padding: 0 10px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.row input:focus {
    border-color: #1890ff;
    outline: none;
}

#submit {
    width: 100%;
    height: 42px;
    background-color: #1890ff;
    color: white;
    border: none;
    margin: 18px 0 10px 0;
    border-radius: 5px;
    font-size: 20px;
    cursor: pointer;
    transition: background 0.2s;
}

#submit:hover {
    background-color: #40a9ff;
}

.message {
    margin-top: 10px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    color: #444;
    font-size: 17px;
    text-align: left;
}